Specification of William Henry Dupré and Clement le Sueur
Subtitle: apparatus for ventilating chimneys, &c
Contributors: Le Sueur, Clement
Publisher: Great Seal Patent Office
Published: 1854
Place of publication: London
Language: eng
Subjects: Chimneys; Ventilation; Smoke prevention
Notes: Cover title.

At head of title: A.D. 1852. No. 14,071.

"William Henry Dupré and Clement le Sueur of Jersey".